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Articles 1 - 2 of 2
Full-Text Articles in Environmental Sciences
Slides: Lessons Learned From The Development And Implementation Of An Adaptive Management Plan At Three Hydropower Plants In Northeastern Washington State, Bob Dach
Best Management Practices and Adaptive Management in Oil and Gas Development (May 12-13)
Presenter: Bob Dach, Federal Activities Specialist, U.S. Fish and Wildlife Service, Mountain-Prairie Region, Lakewood, CO
11 slides
Genetic Identification Of Spotted Owls, Barred Owls, And Their Hybrids: Legal Implications Of Hybrid Identity, Susan M. Haig, Thomas D. Mullins, Eric D. Forsman, Pepper W. Trail, Liv Wennerberg
Genetic Identification Of Spotted Owls, Barred Owls, And Their Hybrids: Legal Implications Of Hybrid Identity, Susan M. Haig, Thomas D. Mullins, Eric D. Forsman, Pepper W. Trail, Liv Wennerberg
United States Geological Survey: Staff Publications
Recent population expansion of Barred Owls (Strix varia) into western North America has led to concern that they may compete with and further harm the Northern Spotted Owl (S. occidentalis caurina), which is already listed as threatened under the U.S. Endangered Species Act (ESA). Because they hybridize, there is a legal need under the ESA for forensic identification of both species and their hybrids. We used mitochondrial control-region DNA and amplified fragment-length polymorphism (AFLP) analyses to assess maternal and biparental gene flow in this hybridization process. Mitochondrial DNA sequences (524 base pairs) indicated large divergence between …